Finding the Fourth Proportional to 6,478,707.24, 9,717,062.13 and 2,160,832.95
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Solution
The fourth proportional to 6,478,707.24, 9,717,062.13 and 2,160,832.95 is: 3,240,916.32
Step by Step Solution
- Step 1: Write the proportion equation
6,478,707.24 : 9,717,062.13 = 2,160,832.95 : x - Step 2: Convert to fraction form
6,478,707.24/9,717,062.13 = 2,160,832.95/x - Step 3: Cross multiply
6,478,707.24x = 9,717,062.13 × 2,160,832.95 - Step 4: Simplify right side
6,478,707.24x = 20,996,948,027,701.19 - Step 5: Solve for x
x = 20,996,948,027,701.19/6,478,707.24 - Step 6: Final answer
x = 3,240,916.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.